Today's motor oils are
vastly superior to the motor oils from thirty years ago.
As long as you use any good motor oil of the proper weight, you engine will stay healthy.
Changing the motor oil
frequently is
much more important than choosing one brand of motor oil over another.
You might enjoy reading the following articles on engine oil for motorcycles.
http://www.calsci.com/motorcycleinfo/Oils1.html
http://www.calsci.com/motorcycleinfo/Consumables.html
__________________
Spud
"Never argue with an idiot. He will drag you down to his level, and beat you with experience."
Mark Twain
2015 Zongshen ZS250GY-3 (RX3)
2006 Zongshen ZS200GY-2 (Sierra 200)
2005 Honda XR650L
2004 Honda CRF250X
1998 Kawasaki KDX220
Mods made to my Zongshen ZS200GY-2:
http://www.chinariders.net/showthread.php?t=6894